ANATOMY OF HEAD AND NECK

Question 1

skull functions

Answer 1

protects brain & entrances to respi and gi tracts

Question 2

types of skull bones and number

Answer 2

22 bones
cranial: 8
facial: 14

Question 3

paired cranial bones

Answer 3

parietal
temporal

Question 4

unpaired facial bones

Answer 4

vomer
mandible

Question 5

associated bones of skull

Answer 5

ear ossicles
hyoid

Question 6

suture separating parietals

Answer 6

sagittal suture

Question 7

suture separating parietal & occipital

Answer 7

lambdoid

Question 8

suture separating parietal & temporal

Answer 8

squamous

Question 9

suture separating parietal & frontal

Answer 9

coronal

Question 10

components of zygomatic arch

Answer 10

styloid process
zygomatic process of temporal bone
temporal process of zygomatic bone

Question 11

bony nasal septum is made of

Answer 11

perpendicular plate of ethmoid & vomer

Question 12

frontal bone makes up

Answer 12

forehead & upper eye orbits

Question 13

parietal bone makes up

Answer 13

roof & sides of cranium

Question 14

temporal bone makes up

Answer 14

floor & sides of cranium

Question 15

sphenoid bone makes up

Answer 15

base, sides of cranium, parts of orbits

Question 16

ethmoid bone makes up

Answer 16

walls of nasal cavities, floor & orbits

Question 17

occipital bone makes up

Answer 17

back & base of cranium

Question 18

articulations of occipital bone

Answer 18

parietal
temporal
sphenoid
atlas

Question 19

marks of occipital bone

Answer 19

ext. occipital protuberance
ext. occipital crest

Question 20

special features of occipital bone

Answer 20

foramen magnum
occipital condyles

Question 21

parts of temporal bone

Answer 21

squamous
tympanic
Petro mastoid
styloid process
zygomatic process

Question 22

squamous part of temporal bone is also known as

Answer 22

squama temporalis

Question 23

largest part of temporal bone

Answer 23

squamous

Question 24

articulations of squamous part of temporal bone

Answer 24

anterior: sphenoid
lateral: parietal

Question 25

what is auricular tubercle

Answer 25

anterior boundary of mandibular fossa, part of TMJ

Question 26

lateral surface of zygomatic process has fibers of what muscle

Answer 26

masseter

Question 27

which part of temporal bone surrounds the external auditory opening

Answer 27

tympanic part

Question 28

styloid process is attachment point for which structure

Answer 28

stylomandibular ligament of TMJ

Question 29

reservoir of air in the temporal bone

Answer 29

mastoid air cells

Question 30

function of mastoid air cells

Answer 30

equalise pressure within middle ear in case of auditory tube dysfunction

Question 31

inner ear is contained in what structure

Answer 31

petrous part of temporal bone

Question 32

special features of temporal bone

Answer 32

zygomatic process styloid process mastoid process external auditory meatus

Question 33

muscle that originates from the lower part of squamous

Answer 33

temporalis

Question 34

inner surface of parietal bone has grooves for what structure

Answer 34

middle meningeal artery

Question 35

parietal bone has grooves for which sinuses

Answer 35

sigmoid sinus superior sagittal sinus

Question 36

parts of frontal bone

Answer 36

squamous orbital nasal

Question 37

largest part of frontal bone

Answer 37

squamous

Question 38

what structures pass through supraorbital notch

Answer 38

supraorbital vessels & nerves

Question 39

smooth elevated surface above nasal root is known as

Answer 39

glabella

Question 40

attachment site for superior oblique muscle

Answer 40

trochlear spine

Question 41

openings of orbital part of frontal bone

Answer 41

anterior ethmoidal foramen posterior ethmoidal foramen

Question 42

two masses of ethmoidal bone are joined horizontally by

Answer 42

cribriform plate

Question 43

bulk of nasal septum is formed by

Answer 43

perpendicular plate of ethmoid bone

Question 44

delicate scroll shaped plates that project toward the perpendicular plate of ethmoid bone

Answer 44

superior and middle nasal conchae

Question 45

butterfly shaped bone

Answer 45

sphenoid bone

Question 46

parts of sphenoid bone

Answer 46

body greater & lesser wings pterygoid processes

Question 47

sphenoidal sinuses are in which part of sphenoid bone

Answer 47

body

Question 48

bony landmarks on the superior surface of sphenoid bone

Answer 48

sella turcica chiasmatic groove

Question 49

parts of sella turcica

Answer 49

tuberculum sellae hypophyseal fossa dorsum sellae

Question 50

sella turcica is surrounded by

Answer 50

anterior & posterior clinoid processes

Question 51

pituitary gland is located in

Answer 51

hypophyseal fossa

Question 52

chiasmatic groove is formed by

Answer 52

optic chiasm

Question 53

H-shaped suture that connects frontal, parietal, sphenoid and temporal bones

Answer 53

Pterion

Question 54

posterior aspect of skull is known as

Answer 54

occiput

Question 55

easily palpable elevation in the medial plane of occiput

Answer 55

inion

Question 56

what structure is present on the either side of inion

Answer 56

superior nuchal lines

Question 57

junction of lambdoid & sagittal sutures

Answer 57

lambda

Question 58

superior aspect of skull is formed by

Answer 58

frontal bones, R & L parietal bones, occipital bone (calvaria)

Question 59

sutures found in superior aspect of skull

Answer 59

coronal sagittal lambdoid

Question 60

junction of coronal & sagittal sutures

Answer 60

bregma

Question 61

depressions of the internal aspect of skull

Answer 61

anterior, middle & posterior cranial fossae

Question 62

shallowest cranial fossa

Answer 62

anterior cranial fossa

Question 63

anterior cranial fossa is made of

Answer 63

frontal, ethmoid, body and greater wings of sphenoid

Question 64

anterior cranial fossa is occupied by which brain lobes

Answer 64

inferior and anterior frontal lobes

Question 65

butterfly shaped fossa

Answer 65

middle cranial fossa

Question 66

middle cranial fossa is formed by

Answer 66

greater wings of sphenoid squamous & petrous parts of temporal bone

Question 67

middle cranial fossa supports which brain lobes

Answer 67

temporal

Question 68

largest and deepest cranial fossa

Answer 68

posterior cranial fossa

Question 69

posterior cranial fossa protects which brain structures

Answer 69

cerebellum, pons, medulla oblongata

Question 70

posterior cranial fossa is formed by

Answer 70

occipital bones dorsum sella petrous & mastoid parts of temporal bone

Question 71

foramina/apertures of anterior cranial fossa

Answer 71

foramen cecum foramina of cribriform plate anterior & posterior ethmoidal foramina

Question 72

contents of foramen cecum

Answer 72

nasal emissary vein

Question 73

contents of foramina of cribriform plate

Answer 73

axons of olfactory cells

Question 74

contents of anterior & posterior ethmoidal foramen

Answer 74

anterior & posterior ethmoidal vessels & nerves